./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/insertion_sort-1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/insertion_sort-1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:51:57,178 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:51:57,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 04:51:57,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:51:57,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:51:57,298 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:51:57,299 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:51:57,299 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:51:57,299 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:51:57,299 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:51:57,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:51:57,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:51:57,300 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:51:57,300 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 04:51:57,300 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 04:51:57,301 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 04:51:57,301 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 04:51:57,301 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 04:51:57,301 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 04:51:57,301 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:51:57,301 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 04:51:57,302 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:51:57,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:51:57,303 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:51:57,304 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:51:57,304 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 04:51:57,304 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 04:51:57,304 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36d1103e69366c6d9110aa7e24b0c4765120510facc121d7623fcf9373a67e96 [2024-11-28 04:51:57,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:51:57,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:51:57,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:51:57,670 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:51:57,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:51:57,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/loops/insertion_sort-1-2.c [2024-11-28 04:52:01,363 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cfc396a/8d11245b78ff4de89f8be14aa4923464/FLAGe2e40b9e8 [2024-11-28 04:52:01,675 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:52:01,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/sv-benchmarks/c/loops/insertion_sort-1-2.c [2024-11-28 04:52:01,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cfc396a/8d11245b78ff4de89f8be14aa4923464/FLAGe2e40b9e8 [2024-11-28 04:52:01,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/data/a2cfc396a/8d11245b78ff4de89f8be14aa4923464 [2024-11-28 04:52:01,706 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:52:01,708 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:52:01,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:01,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:52:01,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:52:01,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:01" (1/1) ... [2024-11-28 04:52:01,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a71803a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:01, skipping insertion in model container [2024-11-28 04:52:01,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:52:01" (1/1) ... [2024-11-28 04:52:01,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:52:01,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:01,986 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:52:02,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:52:02,040 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:52:02,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02 WrapperNode [2024-11-28 04:52:02,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:52:02,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:02,043 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:52:02,043 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:52:02,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,063 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,092 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-28 04:52:02,095 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:52:02,095 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:52:02,096 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:52:02,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:52:02,107 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,107 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,111 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,136 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [2, 8]. 80 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-28 04:52:02,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,149 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:52:02,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:52:02,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:52:02,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:52:02,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (1/1) ... [2024-11-28 04:52:02,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:02,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:02,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:02,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 04:52:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:52:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:52:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:52:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:52:02,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:52:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:52:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:52:02,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:52:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:52:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:52:02,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:52:02,380 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:52:02,382 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:52:02,619 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-11-28 04:52:02,619 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:52:02,631 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:52:02,631 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:52:02,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:02 BoogieIcfgContainer [2024-11-28 04:52:02,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:52:02,633 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 04:52:02,633 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 04:52:02,641 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 04:52:02,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:52:02,642 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 04:52:01" (1/3) ... [2024-11-28 04:52:02,644 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be9f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:52:02, skipping insertion in model container [2024-11-28 04:52:02,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:52:02,644 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:52:02" (2/3) ... [2024-11-28 04:52:02,644 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5be9f84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 04:52:02, skipping insertion in model container [2024-11-28 04:52:02,644 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 04:52:02,644 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:02" (3/3) ... [2024-11-28 04:52:02,646 INFO L363 chiAutomizerObserver]: Analyzing ICFG insertion_sort-1-2.c [2024-11-28 04:52:02,713 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 04:52:02,714 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 04:52:02,714 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 04:52:02,714 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 04:52:02,714 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 04:52:02,714 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 04:52:02,714 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 04:52:02,714 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 04:52:02,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:02,741 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-11-28 04:52:02,742 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:02,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:02,748 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:52:02,749 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:52:02,749 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 04:52:02,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:02,751 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2024-11-28 04:52:02,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:02,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:02,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-11-28 04:52:02,752 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-28 04:52:02,761 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" [2024-11-28 04:52:02,761 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" [2024-11-28 04:52:02,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:02,774 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2024-11-28 04:52:02,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:02,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095225413] [2024-11-28 04:52:02,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:02,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:02,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:02,904 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:02,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:02,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:02,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1381, now seen corresponding path program 1 times [2024-11-28 04:52:02,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:02,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646273083] [2024-11-28 04:52:02,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:02,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:02,957 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:02,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:02,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:02,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:02,972 INFO L85 PathProgramCache]: Analyzing trace with hash 28695880, now seen corresponding path program 1 times [2024-11-28 04:52:02,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:02,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711268823] [2024-11-28 04:52:02,972 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:02,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:03,006 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:03,031 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:03,699 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:52:03,700 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:52:03,700 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:52:03,701 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:52:03,701 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:52:03,701 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:03,701 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:52:03,701 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:52:03,701 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration1_Lasso [2024-11-28 04:52:03,702 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:52:03,703 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:52:03,725 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,739 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:03,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,167 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,175 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,181 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,185 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:04,906 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:52:04,911 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:52:04,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:04,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:04,916 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:04,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-28 04:52:04,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:04,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:04,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:04,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:04,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:04,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:04,952 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:04,952 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:04,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:04,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:04,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:04,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:04,975 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:04,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-28 04:52:04,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,006 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,007 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,013 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-28 04:52:05,034 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,062 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-28 04:52:05,082 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,100 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,100 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,101 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,101 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,102 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,102 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,107 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-11-28 04:52:05,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-28 04:52:05,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-11-28 04:52:05,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,169 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-28 04:52:05,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,191 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,191 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,193 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-28 04:52:05,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,208 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-28 04:52:05,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,240 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,255 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-28 04:52:05,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,280 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,280 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,284 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,298 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-28 04:52:05,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-28 04:52:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,347 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-28 04:52:05,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,368 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,368 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,372 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,385 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,400 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-28 04:52:05,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,436 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-28 04:52:05,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,450 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-28 04:52:05,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,475 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,483 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,496 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-28 04:52:05,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,518 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-11-28 04:52:05,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,542 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-28 04:52:05,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,567 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,586 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-28 04:52:05,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:05,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:05,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:05,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,631 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,636 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-28 04:52:05,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,659 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,659 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,666 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,682 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-28 04:52:05,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,713 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:05,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-28 04:52:05,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,728 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-28 04:52:05,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:05,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:05,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:05,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:05,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:05,773 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:05,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:05,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:52:05,835 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2024-11-28 04:52:05,840 INFO L444 ModelExtractionUtils]: 6 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-28 04:52:05,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:05,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:05,859 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:05,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-28 04:52:05,862 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:52:05,884 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2024-11-28 04:52:05,884 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:52:05,885 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1, ULTIMATE.start_main_~j~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_1 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [1*ULTIMATE.start_main_~#v~0#1.offset >= 0] [2024-11-28 04:52:05,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:05,930 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2024-11-28 04:52:05,947 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 04:52:05,948 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 04:52:05,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 04:52:06,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:06,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:06,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:06,131 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-28 04:52:06,133 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:06,218 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 50 states and 71 transitions. Complement of second has 6 states. [2024-11-28 04:52:06,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:06,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-11-28 04:52:06,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 2 letters. [2024-11-28 04:52:06,242 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:06,243 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-28 04:52:06,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:06,244 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 3 letters. Loop has 4 letters. [2024-11-28 04:52:06,244 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:06,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 71 transitions. [2024-11-28 04:52:06,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-28 04:52:06,257 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 22 states and 31 transitions. [2024-11-28 04:52:06,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2024-11-28 04:52:06,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-11-28 04:52:06,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2024-11-28 04:52:06,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:52:06,261 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-28 04:52:06,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2024-11-28 04:52:06,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2024-11-28 04:52:06,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:06,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2024-11-28 04:52:06,296 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-28 04:52:06,296 INFO L425 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2024-11-28 04:52:06,296 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 04:52:06,296 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2024-11-28 04:52:06,300 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 14 [2024-11-28 04:52:06,300 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:06,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:06,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:06,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:52:06,301 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-11-28 04:52:06,301 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "assume !true;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 04:52:06,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,302 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 1 times [2024-11-28 04:52:06,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:06,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383618852] [2024-11-28 04:52:06,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,332 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,354 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:06,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1759463, now seen corresponding path program 1 times [2024-11-28 04:52:06,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:06,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890346194] [2024-11-28 04:52:06,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:06,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890346194] [2024-11-28 04:52:06,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890346194] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:06,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735029848] [2024-11-28 04:52:06,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:06,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:06,424 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:06,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-28 04:52:06,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:52:06,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:06,471 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:06,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735029848] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:06,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:06,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 2 [2024-11-28 04:52:06,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782196131] [2024-11-28 04:52:06,474 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:06,476 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 04:52:06,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:06,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:52:06,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:52:06,480 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 12 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:06,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:06,486 INFO L93 Difference]: Finished difference Result 21 states and 27 transitions. [2024-11-28 04:52:06,486 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2024-11-28 04:52:06,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 04:52:06,487 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2024-11-28 04:52:06,487 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-28 04:52:06,488 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-28 04:52:06,488 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2024-11-28 04:52:06,488 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:52:06,488 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-28 04:52:06,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2024-11-28 04:52:06,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-28 04:52:06,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:06,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2024-11-28 04:52:06,490 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-28 04:52:06,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:52:06,491 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2024-11-28 04:52:06,491 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 04:52:06,491 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2024-11-28 04:52:06,492 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 04:52:06,492 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:06,492 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:06,492 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:06,492 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:52:06,492 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-11-28 04:52:06,493 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 04:52:06,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,493 INFO L85 PathProgramCache]: Analyzing trace with hash 28695946, now seen corresponding path program 2 times [2024-11-28 04:52:06,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:06,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561146037] [2024-11-28 04:52:06,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,507 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:06,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 1 times [2024-11-28 04:52:06,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:06,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418367540] [2024-11-28 04:52:06,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,541 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:06,566 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:06,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:06,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1693434659, now seen corresponding path program 1 times [2024-11-28 04:52:06,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:06,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785389114] [2024-11-28 04:52:06,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:06,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-28 04:52:06,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:06,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785389114] [2024-11-28 04:52:06,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785389114] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:06,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1767545265] [2024-11-28 04:52:06,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:06,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:06,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:06,947 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:06,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-28 04:52:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:07,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:52:07,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:07,056 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:07,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1767545265] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:07,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:07,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 6 [2024-11-28 04:52:07,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268128404] [2024-11-28 04:52:07,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:07,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:07,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:52:07,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:52:07,330 INFO L87 Difference]: Start difference. First operand 20 states and 26 transitions. cyclomatic complexity: 9 Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:07,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:07,399 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2024-11-28 04:52:07,400 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2024-11-28 04:52:07,401 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 04:52:07,401 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2024-11-28 04:52:07,401 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2024-11-28 04:52:07,401 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2024-11-28 04:52:07,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2024-11-28 04:52:07,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:52:07,402 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 26 transitions. [2024-11-28 04:52:07,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2024-11-28 04:52:07,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2024-11-28 04:52:07,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:07,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2024-11-28 04:52:07,407 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-28 04:52:07,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 04:52:07,409 INFO L425 stractBuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2024-11-28 04:52:07,409 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-28 04:52:07,410 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2024-11-28 04:52:07,410 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 04:52:07,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:07,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:07,413 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:07,413 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:52:07,413 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-11-28 04:52:07,413 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 04:52:07,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:07,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1806937390, now seen corresponding path program 1 times [2024-11-28 04:52:07,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:07,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510680100] [2024-11-28 04:52:07,414 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:07,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:07,439 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:07,465 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:07,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:07,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 2 times [2024-11-28 04:52:07,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:07,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712751549] [2024-11-28 04:52:07,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:07,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:07,485 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:07,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:07,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:07,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:07,499 INFO L85 PathProgramCache]: Analyzing trace with hash -525024895, now seen corresponding path program 1 times [2024-11-28 04:52:07,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:07,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750825556] [2024-11-28 04:52:07,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:07,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:07,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750825556] [2024-11-28 04:52:07,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750825556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:07,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299052512] [2024-11-28 04:52:07,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:07,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:07,792 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:07,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-28 04:52:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:07,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:52:07,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:07,896 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:08,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299052512] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:08,003 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:08,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-11-28 04:52:08,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775524750] [2024-11-28 04:52:08,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:08,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:08,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:08,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:08,212 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 8 Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:08,333 INFO L93 Difference]: Finished difference Result 38 states and 48 transitions. [2024-11-28 04:52:08,334 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2024-11-28 04:52:08,335 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 21 [2024-11-28 04:52:08,338 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 38 states and 48 transitions. [2024-11-28 04:52:08,338 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2024-11-28 04:52:08,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2024-11-28 04:52:08,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 48 transitions. [2024-11-28 04:52:08,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:52:08,338 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 48 transitions. [2024-11-28 04:52:08,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 48 transitions. [2024-11-28 04:52:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 24. [2024-11-28 04:52:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2024-11-28 04:52:08,344 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-28 04:52:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:52:08,345 INFO L425 stractBuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2024-11-28 04:52:08,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-11-28 04:52:08,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2024-11-28 04:52:08,346 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2024-11-28 04:52:08,346 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:08,346 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:08,346 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,346 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2024-11-28 04:52:08,347 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" [2024-11-28 04:52:08,347 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" [2024-11-28 04:52:08,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1299981266, now seen corresponding path program 2 times [2024-11-28 04:52:08,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:08,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206152030] [2024-11-28 04:52:08,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,375 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:08,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1690200596, now seen corresponding path program 3 times [2024-11-28 04:52:08,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:08,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102301589] [2024-11-28 04:52:08,408 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,417 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:08,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:08,426 INFO L85 PathProgramCache]: Analyzing trace with hash 1330294053, now seen corresponding path program 2 times [2024-11-28 04:52:08,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:08,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650885551] [2024-11-28 04:52:08,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:08,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,446 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:08,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:09,124 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:52:09,124 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:52:09,125 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:52:09,125 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:52:09,125 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:52:09,125 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:09,126 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:52:09,126 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:52:09,126 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration5_Lasso [2024-11-28 04:52:09,126 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:52:09,126 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:52:09,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,592 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,607 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,612 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,616 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,619 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,622 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,625 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,628 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,630 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:09,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:10,132 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:52:10,132 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:52:10,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,138 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-28 04:52:10,141 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:10,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:10,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:10,154 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-28 04:52:10,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,163 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-28 04:52:10,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:10,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,177 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:10,177 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:10,179 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-28 04:52:10,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,188 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-11-28 04:52:10,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:10,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:10,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:10,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-11-28 04:52:10,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,219 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-11-28 04:52:10,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,234 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,234 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,241 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2024-11-28 04:52:10,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,250 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-11-28 04:52:10,253 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,267 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,267 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,267 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,267 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,269 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,269 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,274 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2024-11-28 04:52:10,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,285 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-11-28 04:52:10,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,301 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,307 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-11-28 04:52:10,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,317 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-11-28 04:52:10,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,332 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,336 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-11-28 04:52:10,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,345 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-11-28 04:52:10,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,360 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,364 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:10,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,375 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-11-28 04:52:10,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,395 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:10,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2024-11-28 04:52:10,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,408 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-11-28 04:52:10,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:10,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:10,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:10,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:10,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:10,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:10,437 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:10,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:52:10,509 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-28 04:52:10,510 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-28 04:52:10,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:10,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,513 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-11-28 04:52:10,515 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:52:10,532 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 04:52:10,533 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:52:10,533 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0#1, ULTIMATE.start_main_~#v~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2) = -4*ULTIMATE.start_main_~j~0#1 - 1*ULTIMATE.start_main_~#v~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_2 Supporting invariants [] [2024-11-28 04:52:10,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:10,562 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-28 04:52:10,563 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-11-28 04:52:10,563 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 04:52:10,564 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 04:52:10,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:10,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:10,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:10,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:52:10,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:10,665 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:52:10,665 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 43 transitions. Complement of second has 7 states. [2024-11-28 04:52:10,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:10,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2024-11-28 04:52:10,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 6 letters. [2024-11-28 04:52:10,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:10,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 15 letters. Loop has 6 letters. [2024-11-28 04:52:10,699 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:10,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 12 letters. [2024-11-28 04:52:10,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:10,700 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 43 transitions. [2024-11-28 04:52:10,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:10,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 31 states and 42 transitions. [2024-11-28 04:52:10,701 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-28 04:52:10,701 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2024-11-28 04:52:10,701 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 42 transitions. [2024-11-28 04:52:10,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:10,701 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-28 04:52:10,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 42 transitions. [2024-11-28 04:52:10,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-11-28 04:52:10,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.3548387096774193) internal successors, (42), 30 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2024-11-28 04:52:10,704 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-28 04:52:10,704 INFO L425 stractBuchiCegarLoop]: Abstraction has 31 states and 42 transitions. [2024-11-28 04:52:10,704 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-11-28 04:52:10,704 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 42 transitions. [2024-11-28 04:52:10,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:10,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:10,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:10,705 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:10,705 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:52:10,705 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~k~0#1 := 1;" [2024-11-28 04:52:10,705 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2024-11-28 04:52:10,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1300045167, now seen corresponding path program 1 times [2024-11-28 04:52:10,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:10,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001525609] [2024-11-28 04:52:10,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:10,716 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:10,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:10,725 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,725 INFO L85 PathProgramCache]: Analyzing trace with hash 3021096, now seen corresponding path program 1 times [2024-11-28 04:52:10,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:10,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248730218] [2024-11-28 04:52:10,725 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:10,733 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:10,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:10,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:10,739 INFO L85 PathProgramCache]: Analyzing trace with hash -438120554, now seen corresponding path program 1 times [2024-11-28 04:52:10,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:10,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654323850] [2024-11-28 04:52:10,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:10,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:10,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:10,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [654323850] [2024-11-28 04:52:10,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [654323850] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:10,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106966864] [2024-11-28 04:52:10,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:10,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:10,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:10,957 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:10,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-28 04:52:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:11,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:52:11,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:11,052 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:11,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106966864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:11,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:11,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 10 [2024-11-28 04:52:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761709842] [2024-11-28 04:52:11,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:11,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:11,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 04:52:11,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-28 04:52:11,334 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. cyclomatic complexity: 15 Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:11,450 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2024-11-28 04:52:11,450 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 47 states and 62 transitions. [2024-11-28 04:52:11,451 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-11-28 04:52:11,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 47 states to 43 states and 57 transitions. [2024-11-28 04:52:11,452 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2024-11-28 04:52:11,452 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2024-11-28 04:52:11,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 57 transitions. [2024-11-28 04:52:11,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:11,452 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 57 transitions. [2024-11-28 04:52:11,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 57 transitions. [2024-11-28 04:52:11,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 29. [2024-11-28 04:52:11,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:11,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2024-11-28 04:52:11,459 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-28 04:52:11,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:52:11,461 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2024-11-28 04:52:11,461 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-11-28 04:52:11,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2024-11-28 04:52:11,462 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:11,462 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:11,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:11,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:11,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:11,462 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" [2024-11-28 04:52:11,462 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-28 04:52:11,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash -553485642, now seen corresponding path program 1 times [2024-11-28 04:52:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:11,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108555705] [2024-11-28 04:52:11,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:11,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,489 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:11,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash 62128332, now seen corresponding path program 1 times [2024-11-28 04:52:11,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:11,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629043890] [2024-11-28 04:52:11,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:11,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,523 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,527 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:11,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:11,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1710559433, now seen corresponding path program 1 times [2024-11-28 04:52:11,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:11,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122136944] [2024-11-28 04:52:11,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:11,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,568 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:11,593 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:12,380 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:52:12,380 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:52:12,380 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:52:12,380 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:52:12,380 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:52:12,380 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:12,380 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:52:12,380 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:52:12,381 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration7_Lasso [2024-11-28 04:52:12,381 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:52:12,381 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:52:12,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,845 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,848 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,851 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,855 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:12,862 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:13,331 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:52:13,331 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:52:13,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,334 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-11-28 04:52:13,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:13,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,380 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,385 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-11-28 04:52:13,404 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,404 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,404 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,404 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,409 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:13,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,422 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-11-28 04:52:13,425 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:13,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:13,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-11-28 04:52:13,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,454 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-11-28 04:52:13,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:13,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:13,478 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-11-28 04:52:13,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,488 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-11-28 04:52:13,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,507 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2024-11-28 04:52:13,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,516 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-11-28 04:52:13,519 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,536 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-11-28 04:52:13,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,554 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-11-28 04:52:13,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,574 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,576 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-11-28 04:52:13,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,586 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-11-28 04:52:13,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:13,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:13,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:13,605 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:13,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:13,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,615 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-11-28 04:52:13,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:13,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:13,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:13,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:13,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:13,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:13,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:13,654 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:52:13,682 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 04:52:13,682 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 6 variables to zero. [2024-11-28 04:52:13,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:13,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:13,686 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:13,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-11-28 04:52:13,689 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:52:13,704 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 04:52:13,704 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:52:13,704 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 2*ULTIMATE.start_main_~i~0#1 + 1 Supporting invariants [] [2024-11-28 04:52:13,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:13,728 INFO L156 tatePredicateManager]: 5 out of 5 supporting invariants were superfluous and have been removed [2024-11-28 04:52:13,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:13,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:13,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:13,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:13,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:13,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:13,881 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 04:52:13,881 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,950 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 78 transitions. Complement of second has 9 states. [2024-11-28 04:52:13,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:13,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2024-11-28 04:52:13,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 5 letters. [2024-11-28 04:52:13,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:13,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 16 letters. Loop has 5 letters. [2024-11-28 04:52:13,953 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:13,953 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 10 letters. [2024-11-28 04:52:13,954 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:13,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 78 transitions. [2024-11-28 04:52:13,955 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:13,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 41 states and 53 transitions. [2024-11-28 04:52:13,956 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-11-28 04:52:13,956 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-11-28 04:52:13,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 53 transitions. [2024-11-28 04:52:13,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:13,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-28 04:52:13,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 53 transitions. [2024-11-28 04:52:13,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2024-11-28 04:52:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 36 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 49 transitions. [2024-11-28 04:52:13,963 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-11-28 04:52:13,963 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 49 transitions. [2024-11-28 04:52:13,963 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-11-28 04:52:13,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 49 transitions. [2024-11-28 04:52:13,964 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:13,964 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:13,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:13,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:13,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:13,965 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume !main_#t~short9#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" [2024-11-28 04:52:13,965 INFO L749 eck$LassoCheckResult]: Loop: "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);" "main_~i~0#1 := main_~i~0#1 - 1;" [2024-11-28 04:52:13,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:13,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1485821365, now seen corresponding path program 1 times [2024-11-28 04:52:13,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:13,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825067590] [2024-11-28 04:52:13,965 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:13,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:14,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:14,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825067590] [2024-11-28 04:52:14,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825067590] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:14,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353939820] [2024-11-28 04:52:14,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:14,078 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:14,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-28 04:52:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:14,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:52:14,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:14,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:14,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353939820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:14,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:14,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-28 04:52:14,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248876929] [2024-11-28 04:52:14,216 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:14,217 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:52:14,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:14,217 INFO L85 PathProgramCache]: Analyzing trace with hash 62128332, now seen corresponding path program 2 times [2024-11-28 04:52:14,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:14,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002817353] [2024-11-28 04:52:14,218 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,224 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:14,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,229 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:14,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:14,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:52:14,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-28 04:52:14,390 INFO L87 Difference]: Start difference. First operand 37 states and 49 transitions. cyclomatic complexity: 17 Second operand has 8 states, 8 states have (on average 2.5) internal successors, (20), 8 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:14,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:14,529 INFO L93 Difference]: Finished difference Result 57 states and 74 transitions. [2024-11-28 04:52:14,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2024-11-28 04:52:14,530 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 04:52:14,536 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 74 transitions. [2024-11-28 04:52:14,536 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-28 04:52:14,536 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-28 04:52:14,536 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 74 transitions. [2024-11-28 04:52:14,536 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:14,536 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 74 transitions. [2024-11-28 04:52:14,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 74 transitions. [2024-11-28 04:52:14,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 44. [2024-11-28 04:52:14,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 43 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:14,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 57 transitions. [2024-11-28 04:52:14,546 INFO L240 hiAutomatonCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-11-28 04:52:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:52:14,547 INFO L425 stractBuchiCegarLoop]: Abstraction has 44 states and 57 transitions. [2024-11-28 04:52:14,547 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-11-28 04:52:14,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 57 transitions. [2024-11-28 04:52:14,548 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2024-11-28 04:52:14,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:14,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:14,548 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:14,549 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-11-28 04:52:14,549 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~k~0#1 := 1;" [2024-11-28 04:52:14,552 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~k~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem12#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (main_~k~0#1 - 1), 4);call main_#t~mem13#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~k~0#1, 4);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_#t~mem12#1 <= main_#t~mem13#1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1;" "assume !(0 == __VERIFIER_assert_~cond#1);" "havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;main_#t~post14#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post14#1;havoc main_#t~post14#1;" [2024-11-28 04:52:14,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:14,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1487668314, now seen corresponding path program 1 times [2024-11-28 04:52:14,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:14,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416459156] [2024-11-28 04:52:14,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,577 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:14,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:14,606 INFO L85 PathProgramCache]: Analyzing trace with hash 3021096, now seen corresponding path program 2 times [2024-11-28 04:52:14,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:14,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573855198] [2024-11-28 04:52:14,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,632 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:14,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:14,646 INFO L85 PathProgramCache]: Analyzing trace with hash -1608402355, now seen corresponding path program 1 times [2024-11-28 04:52:14,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:14,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509984325] [2024-11-28 04:52:14,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:14,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:14,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2024-11-28 04:52:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,693 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:14,721 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:16,128 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:52:16,129 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:52:16,129 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:52:16,129 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:52:16,129 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:52:16,129 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:16,129 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:52:16,130 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:52:16,130 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration9_Lasso [2024-11-28 04:52:16,130 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:52:16,130 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:52:16,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,533 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,537 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,540 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,543 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,546 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,549 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,552 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,555 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,557 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,560 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,574 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,584 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,586 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,590 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:16,593 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:17,115 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:52:17,116 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:52:17,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:17,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:17,119 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:17,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-11-28 04:52:17,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:17,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:17,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:17,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:17,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:17,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:17,136 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:17,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:17,138 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:17,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-11-28 04:52:17,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:17,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:17,147 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:17,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-11-28 04:52:17,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:17,168 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:17,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:17,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:17,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:17,170 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:17,170 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:17,176 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:17,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:17,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:17,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:17,191 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:17,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-11-28 04:52:17,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:17,213 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:17,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:17,214 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:17,214 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:17,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:17,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:17,242 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:52:17,269 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2024-11-28 04:52:17,269 INFO L444 ModelExtractionUtils]: 7 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 04:52:17,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:17,274 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:17,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-11-28 04:52:17,277 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:52:17,294 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 04:52:17,294 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:52:17,294 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1, ULTIMATE.start_main_~#v~0#1.offset, v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4) = -4*ULTIMATE.start_main_~k~0#1 - 1*ULTIMATE.start_main_~#v~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_~#v~0#1.base)_4 Supporting invariants [] [2024-11-28 04:52:17,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2024-11-28 04:52:17,327 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2024-11-28 04:52:17,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~#v~0!offset [2024-11-28 04:52:17,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-28 04:52:17,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-11-28 04:52:17,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:17,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:17,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:17,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-28 04:52:17,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:17,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:17,465 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-28 04:52:17,466 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18 Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,500 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 44 states and 57 transitions. cyclomatic complexity: 18. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 62 transitions. Complement of second has 6 states. [2024-11-28 04:52:17,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:17,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 24 transitions. [2024-11-28 04:52:17,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2024-11-28 04:52:17,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:17,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 21 letters. Loop has 4 letters. [2024-11-28 04:52:17,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:17,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 24 transitions. Stem has 17 letters. Loop has 8 letters. [2024-11-28 04:52:17,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:17,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 62 transitions. [2024-11-28 04:52:17,505 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:52:17,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 39 states and 51 transitions. [2024-11-28 04:52:17,509 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2024-11-28 04:52:17,509 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2024-11-28 04:52:17,509 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 51 transitions. [2024-11-28 04:52:17,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:17,510 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-11-28 04:52:17,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 51 transitions. [2024-11-28 04:52:17,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2024-11-28 04:52:17,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 38 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:17,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 51 transitions. [2024-11-28 04:52:17,512 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-11-28 04:52:17,512 INFO L425 stractBuchiCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-11-28 04:52:17,512 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-11-28 04:52:17,512 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 51 transitions. [2024-11-28 04:52:17,516 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:52:17,516 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:17,516 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:17,518 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:17,518 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:17,518 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-11-28 04:52:17,518 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);" "main_~i~0#1 := main_~i~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-11-28 04:52:17,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:17,519 INFO L85 PathProgramCache]: Analyzing trace with hash 574771564, now seen corresponding path program 3 times [2024-11-28 04:52:17,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:17,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248726064] [2024-11-28 04:52:17,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:17,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:17,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:17,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 04:52:17,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248726064] [2024-11-28 04:52:17,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248726064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:52:17,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [297323861] [2024-11-28 04:52:17,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:17,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:52:17,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:17,960 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:52:17,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-28 04:52:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:18,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-28 04:52:18,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:18,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-11-28 04:52:18,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 04:52:18,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [297323861] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 04:52:18,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 04:52:18,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2024-11-28 04:52:18,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871126138] [2024-11-28 04:52:18,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 04:52:18,506 INFO L752 eck$LassoCheckResult]: stem already infeasible [2024-11-28 04:52:18,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:18,506 INFO L85 PathProgramCache]: Analyzing trace with hash 70806642, now seen corresponding path program 3 times [2024-11-28 04:52:18,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:18,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992976111] [2024-11-28 04:52:18,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:18,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:18,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:18,518 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:18,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 04:52:18,765 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 04:52:18,765 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=179, Unknown=0, NotChecked=0, Total=240 [2024-11-28 04:52:18,765 INFO L87 Difference]: Start difference. First operand 39 states and 51 transitions. cyclomatic complexity: 16 Second operand has 16 states, 16 states have (on average 2.5) internal successors, (40), 16 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:18,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:52:18,986 INFO L93 Difference]: Finished difference Result 76 states and 99 transitions. [2024-11-28 04:52:18,986 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 99 transitions. [2024-11-28 04:52:18,987 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 10 [2024-11-28 04:52:18,987 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 61 states and 79 transitions. [2024-11-28 04:52:18,987 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-11-28 04:52:18,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2024-11-28 04:52:18,988 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 79 transitions. [2024-11-28 04:52:18,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-11-28 04:52:18,988 INFO L218 hiAutomatonCegarLoop]: Abstraction has 61 states and 79 transitions. [2024-11-28 04:52:18,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 79 transitions. [2024-11-28 04:52:18,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 41. [2024-11-28 04:52:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 40 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:18,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 53 transitions. [2024-11-28 04:52:18,991 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-28 04:52:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:52:18,992 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 53 transitions. [2024-11-28 04:52:18,992 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-11-28 04:52:18,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 53 transitions. [2024-11-28 04:52:18,993 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-11-28 04:52:18,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 04:52:18,993 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 04:52:18,994 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:52:18,994 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2024-11-28 04:52:18,994 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(21, 2);call #Ultimate.allocInit(12, 3);" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~nondet5#1, main_#t~post6#1, main_#t~mem7#1, main_#t~mem8#1, main_#t~short9#1, main_#t~mem10#1, main_#t~post11#1, main_#t~mem12#1, main_#t~mem13#1, main_#t~post14#1, main_~SIZE~0#1, main_~i~0#1, main_~j~0#1, main_~k~0#1, main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset;havoc main_#t~nondet4#1;main_~SIZE~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1;" "assume !((if main_~SIZE~0#1 % 4294967296 % 18446744073709551616 <= 9223372036854775807 then main_~SIZE~0#1 % 4294967296 % 18446744073709551616 else main_~SIZE~0#1 % 4294967296 % 18446744073709551616 - 18446744073709551616) >= 1000000000);havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~k~0#1;havoc main_~key~0#1;call main_~#v~0#1.base, main_~#v~0#1.offset := #Ultimate.allocOnStack(4 * main_~SIZE~0#1 % 4294967296);main_~j~0#1 := 0;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "havoc main_#t~nondet5#1;call write~int#1(main_#t~nondet5#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post6#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1;" "assume !(main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296);" "main_~j~0#1 := 1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" "assume !main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "call write~int#1(main_~key~0#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);main_#t~post11#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1;" "assume main_~j~0#1 % 4294967296 < main_~SIZE~0#1 % 4294967296;" "call main_#t~mem7#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~j~0#1, 4);main_~key~0#1 := main_#t~mem7#1;havoc main_#t~mem7#1;main_~i~0#1 := main_~j~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-11-28 04:52:18,994 INFO L749 eck$LassoCheckResult]: Loop: "assume main_#t~short9#1;havoc main_#t~mem8#1;havoc main_#t~short9#1;" "assume main_~i~0#1 < 2;call main_#t~mem10#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);call write~int#1(main_#t~mem10#1, main_~#v~0#1.base, main_~#v~0#1.offset + 4 * (1 + main_~i~0#1), 4);" "main_~i~0#1 := main_~i~0#1 - 1;" "main_#t~short9#1 := main_~i~0#1 >= 0;" "assume main_#t~short9#1;call main_#t~mem8#1 := read~int#1(main_~#v~0#1.base, main_~#v~0#1.offset + 4 * main_~i~0#1, 4);main_#t~short9#1 := main_#t~mem8#1 > main_~key~0#1;" [2024-11-28 04:52:18,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:18,995 INFO L85 PathProgramCache]: Analyzing trace with hash -923143664, now seen corresponding path program 4 times [2024-11-28 04:52:18,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:18,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064382527] [2024-11-28 04:52:18,995 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:18,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,017 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:19,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:19,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:19,037 INFO L85 PathProgramCache]: Analyzing trace with hash 70806642, now seen corresponding path program 4 times [2024-11-28 04:52:19,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:19,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702598649] [2024-11-28 04:52:19,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:19,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,043 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:19,048 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:19,048 INFO L85 PathProgramCache]: Analyzing trace with hash -46240829, now seen corresponding path program 1 times [2024-11-28 04:52:19,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 04:52:19,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677845662] [2024-11-28 04:52:19,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:52:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:52:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,113 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:52:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:52:19,157 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 04:52:22,388 INFO L204 LassoAnalysis]: Preferences: [2024-11-28 04:52:22,388 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-28 04:52:22,388 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-28 04:52:22,388 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-28 04:52:22,388 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-28 04:52:22,388 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:22,388 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-28 04:52:22,388 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-28 04:52:22,388 INFO L132 ssoRankerPreferences]: Filename of dumped script: insertion_sort-1-2.c_Iteration11_Lasso [2024-11-28 04:52:22,389 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-28 04:52:22,389 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-28 04:52:22,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:22,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:22,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:22,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:23,532 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-28 04:52:24,764 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-28 04:52:24,764 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-28 04:52:24,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,768 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-11-28 04:52:24,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:24,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:24,799 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:24,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2024-11-28 04:52:24,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,814 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-11-28 04:52:24,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:24,835 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:24,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:24,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:24,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,858 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-11-28 04:52:24,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,882 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:24,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,883 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:24,883 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:24,888 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:24,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:24,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,902 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-11-28 04:52:24,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-28 04:52:24,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,924 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-28 04:52:24,924 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-28 04:52:24,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:24,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:24,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,935 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-11-28 04:52:24,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:24,954 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:24,959 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:24,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-11-28 04:52:24,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:24,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:24,970 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:24,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-11-28 04:52:24,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:24,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:24,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:24,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:24,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:24,989 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:24,989 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:24,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2024-11-28 04:52:25,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,004 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-11-28 04:52:25,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,021 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:25,021 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:25,021 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:25,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:25,027 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-11-28 04:52:25,035 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,037 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-11-28 04:52:25,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,055 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-11-28 04:52:25,055 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2024-11-28 04:52:25,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,097 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2024-11-28 04:52:25,098 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-11-28 04:52:25,152 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-11-28 04:52:25,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,162 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-11-28 04:52:25,165 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,178 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:25,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:25,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,181 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:25,181 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:25,185 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-11-28 04:52:25,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,195 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-11-28 04:52:25,198 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:25,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:25,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:25,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:25,221 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-11-28 04:52:25,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,230 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-11-28 04:52:25,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:25,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:25,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,249 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:25,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:25,253 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-28 04:52:25,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-11-28 04:52:25,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,262 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-11-28 04:52:25,265 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-28 04:52:25,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-28 04:52:25,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-28 04:52:25,279 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-28 04:52:25,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-28 04:52:25,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-28 04:52:25,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-28 04:52:25,287 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-28 04:52:25,300 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2024-11-28 04:52:25,300 INFO L444 ModelExtractionUtils]: 0 out of 7 variables were initially zero. Simplification set additionally 5 variables to zero. [2024-11-28 04:52:25,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 04:52:25,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:52:25,306 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 04:52:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-11-28 04:52:25,309 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-28 04:52:25,326 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-11-28 04:52:25,326 INFO L474 LassoAnalysis]: Proved termination. [2024-11-28 04:52:25,326 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-11-28 04:52:25,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:25,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:25,414 INFO L156 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2024-11-28 04:52:25,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:25,556 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 04:52:25,557 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,619 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 71 transitions. Complement of second has 9 states. [2024-11-28 04:52:25,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:25,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2024-11-28 04:52:25,621 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 21 letters. Loop has 5 letters. [2024-11-28 04:52:25,622 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:25,622 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:52:25,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:25,771 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 04:52:25,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,845 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 74 transitions. Complement of second has 9 states. [2024-11-28 04:52:25,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2024-11-28 04:52:25,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 21 letters. Loop has 5 letters. [2024-11-28 04:52:25,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:25,850 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-11-28 04:52:25,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:52:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:52:25,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:52:25,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:52:26,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:52:26,022 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-11-28 04:52:26,023 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:26,094 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 53 transitions. cyclomatic complexity: 16. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 70 states and 98 transitions. Complement of second has 8 states. [2024-11-28 04:52:26,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-11-28 04:52:26,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:52:26,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2024-11-28 04:52:26,098 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 5 letters. [2024-11-28 04:52:26,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:26,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 26 letters. Loop has 5 letters. [2024-11-28 04:52:26,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:26,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 21 letters. Loop has 10 letters. [2024-11-28 04:52:26,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-28 04:52:26,104 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 98 transitions. [2024-11-28 04:52:26,105 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:52:26,105 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 0 states and 0 transitions. [2024-11-28 04:52:26,105 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-28 04:52:26,106 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-28 04:52:26,106 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-28 04:52:26,106 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 04:52:26,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:52:26,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:52:26,106 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 04:52:26,106 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-11-28 04:52:26,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-28 04:52:26,106 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-28 04:52:26,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-28 04:52:26,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 04:52:26 BoogieIcfgContainer [2024-11-28 04:52:26,127 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 04:52:26,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:52:26,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:52:26,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:52:26,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:52:02" (3/4) ... [2024-11-28 04:52:26,133 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:52:26,134 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:52:26,135 INFO L158 Benchmark]: Toolchain (without parser) took 24427.43ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.8MB in the beginning and 62.7MB in the end (delta: 30.1MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-28 04:52:26,136 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:26,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:26,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.54ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:26,137 INFO L158 Benchmark]: Boogie Preprocessor took 73.67ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:26,138 INFO L158 Benchmark]: RCFGBuilder took 461.79ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:52:26,139 INFO L158 Benchmark]: BuchiAutomizer took 23494.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2024-11-28 04:52:26,139 INFO L158 Benchmark]: Witness Printer took 5.86ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:52:26,143 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.45ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 81.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.54ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.67ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 78.5MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 461.79ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 66.3MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 23494.57ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 66.1MB in the beginning and 62.8MB in the end (delta: 3.4MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Witness Printer took 5.86ms. Allocated memory is still 142.6MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 24.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#v~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~#v~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 11 terminating modules (6 trivial, 4 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function (((long long) 2 * i) + 1) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One nondeterministic module has affine ranking function i and consists of 5 locations. 6 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.4s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 20.9s. Construction of modules took 0.6s. Büchi inclusion checks took 1.6s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 6. Automata minimization 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 66 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [4, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 321 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 315 mSDsluCounter, 606 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 396 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 498 IncrementalHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 210 mSDtfsCounter, 498 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc3 concLT0 SILN0 SILU2 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital197 mio100 ax100 hnf100 lsp95 ukn68 mio100 lsp42 div313 bol100 ite100 ukn100 eq148 hnf94 smp59 dnf149 smp90 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 117ms VariablesStem: 9 VariablesLoop: 17 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-28 04:52:26,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:26,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-28 04:52:26,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:26,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-28 04:52:26,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-28 04:52:27,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-28 04:52:27,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d12a12f0-36e8-40f8-bc18-0031829a5741/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE